I73.1 – Thromboangiitis obliterans [Buerger's disease]
ICD-10-CM 2027 diagnosis code · Diseases of arteries, arterioles and capillaries
ICD-10-CM code
I73.1
- Code
I73.1(claims format:I731)- Description
- Thromboangiitis obliterans [Buerger's disease]
- Billable
- Yes – valid for HIPAA-covered transactions
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 9. Diseases of the circulatory system (I00-I99)
- Block
- I70-I79 Diseases of arteries, arterioles and capillaries
- Parent codes
- I73
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
I73 – Other peripheral vascular diseases
Index terms for I73.1
Entries in the ICD-10-CM alphabetic index that lead to this code:
Related codes in I73
Frequently asked questions
What is ICD-10 code I73.1?
I73.1 is the ICD-10-CM code for thromboangiitis obliterans [Buerger's disease], in the block I70-I79 (Diseases of arteries, arterioles and capillaries).
Is I73.1 a billable code?
Yes. I73.1 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does I73.1 belong to?
It belongs to category I73 – Other peripheral vascular diseases.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.